Back at the Barnyard (2007)

Season 2: Episode 34

The farmer is in love with a woman named Branco Betsy who's a rodeo host and is interested in bull riders, so Otis pretends to be the farmer's bull so Branco Betsy would be impressed. At the rodeo, however, Otis meets Psycho, a much bigger bull, who injures him, so now the farmer has to ride Psycho, the big (and dangerous) bull.